结论：牙在下颌骨上相对位置的变化会对其根尖主应力大小及方向产生一定的影响，而且其影响程度还会受到咬合对称性等因素的影响。
Conclusions: the variation of tooth position could affect the magnitude and direction of the main apical stress, in which the symmetry of the occlusion type was also involved.
结果：在对称性咬合，牙位的变化对各牙的根尖主应力方向无影响。
Results: the variation of tooth position gave no effects to the directions of principle stress around apex area in symmetrical occlusal type.
下颌前磨牙创伤咬合点加载的三维有限元应力分析。
Three-dimensional finite element analysis of the stress of the mandible premolar under loading on its traumatic occlusal spots.
目的：研究咬合平衡与否对种植全口义齿应力状况的影响。
AIM: To investigate the stress status of mandibular complete dentures supported by implants with various balanced or unbalanced occlusion.
在咬合过程中，咬合接触的质与量对于保持TMJ应力环境的稳定有着十分重要的作用。
In the process of biting, the character and capacity of occlusal contact play an important role in stabilizing the stress environment of TMJ.
患侧磨牙、前磨牙咬合骨断层应力分布下部为张力带、上部为压力带。
When occlusion by molar and premolar of fracture part, the stress of upper fracture part was bending force and the lower was compressing force.
种植全口覆盖义齿侧方和前伸咬合平衡者均较不平衡者骨界面应力明显降低。
To the osseointegrated implant-supported overdenture, its stresses in protrusive and lateral balanced occlusions were lower than those in their unbalanced ones.
目的：对多曲方丝弓技术中打开咬合所产生的力学系统进行有限元分析，了解多曲方丝弓打开咬合时下颌中切牙牙周膜应力分布情况。
Objective:The purpose of this article is to study the force system that produced by multi-loop edgewise arch wire while opening the bite.
目的：对多曲方丝弓技术中打开咬合所产生的力学系统进行有限元分析，了解多曲方丝弓打开咬合时下颌中切牙牙周膜应力分布情况。
Objective:The purpose of this article is to study the force system that produced by multi-loop edgewise arch wire while opening the bite.
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